CVE-2021-47716: Orangescrum 1.8.0 contains multiple cross-site scripting vulnerabilities that allow authenticated attackers to

Routine

MEDIUM 5.4DOWNGRADE

CVE-2021-47716 is a medium-severity flaw (CVSS 5.4) affecting orangescrum. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Orangescrum 1.8.0 contains multiple cross-site scripting vulnerabilities that allow authenticated attackers to inject malicious scripts through various input parameters. Attackers can exploit parameters like 'projid', 'CS_message', and 'name' to execute arbitrary JavaScript code in victim's browsers by submitting crafted payloads through application endpoints.

Why this priority

Public exploit reference

No fix is published yet: follow the downgrade or mitigation steps.

Risk facts

CVSS score	5.4 (Medium)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	Low
User interaction	Required
EPSS exploit chance	0.2% (top 85%)
CISA exploited list	No
Weakness	CWE-79
Published	2025-12-23
Last modified	2026-06-17

Publisher (CNA): VulnCheck · Vendor: orangescrum

Last updated 2026-06-17 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2025-12-23 20:15 UTCPublished CVE record published
2026-06-17 04:18 UTCUpdated Record last modified

orangescrum orangescrum DOWNGRADE

Affected: 1.8.0

Fixed in: no fixed release known

Safe to downgrade to: a release before 1.8.0

1. Check installed version

apt-cache policy orangescrum || rpm -q orangescrum || orangescrum --version

2. No fixed release: DOWNGRADE to a release before 1.8.0 (Debian / Ubuntu)

apt-cache madison orangescrum sudo apt install orangescrum=<VERSION_BEFORE_1.8.0> sudo apt-mark hold orangescrum

2. No fixed release: DOWNGRADE (RHEL / Amazon Linux / Fedora)

dnf --showduplicates list orangescrum sudo dnf downgrade orangescrum-<VERSION_BEFORE_1.8.0> sudo dnf versionlock add orangescrum

Downgrade risk

Downgrading can break dependent software and may reopen older bugs. Read the distro advisory first and test on a non-production host.

After downgrade

Restart the service, and keep the package held until a fixed release ships.

Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2021-47716?

orangescrum: downgrade or apply the listed mitigation. Exact commands for each OS are on this page.

Is CVE-2021-47716 being exploited?

CVE-2021-47716 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2021-47716 affect?

CVE-2021-47716 affects orangescrum. Severity is medium (CVSS 5.4). Orangescrum 1.8.0 contains multiple cross-site scripting vulnerabilities that allow authenticated attackers to inject malicious scripts through various input parameters. Attackers can exploit parameters like 'projid', 'CS_message', and 'nam

How urgent is CVE-2021-47716?

Priority 28/100. Public exploit reference

Related CVEs

CVE-2024-48392 MEDIUM 5.4 DOWNGRADE OrangeScrum v2.0.11 is vulnerable to Cross Site Scripting (XSS)
CVE-2021-47721 HIGH 8.8 DOWNGRADE Orangescrum 1.8.0 contains a privilege escalation vulnerability that allows authenticated users to take over o
CVE-2021-47720 HIGH 7.1 DOWNGRADE Orangescrum 1.8.0 contains an authenticated SQL injection vulnerability that allows authorized users to manipu

References

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